:root {
  --red: #c81e22;
  --red-dark: #8f0d12;
  --red-deeper: #6f0a0f;
  --gold: #f5c542;
  --blue: #0f3d7d;
  --text: #333;
  --text-light: #666;
  --text-muted: #999;
  --bg: #f5f6f8;
  --card: #fff;
  --border: #e4e4e4;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --radius: 6px;
  --maxw: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-width: 320px;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

/* ============ 顶部工具条 ============ */
.topbar {
  background: var(--red-deeper);
  color: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  height: 34px;
  line-height: 34px;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar a {
  color: rgba(255, 255, 255, 0.88);
  margin-left: 14px;
  transition: color 0.2s;
}

.topbar a:hover {
  color: var(--gold);
}

.topbar .sep {
  margin-left: 14px;
  color: rgba(255, 255, 255, 0.35);
}

/* ============ 红色横幅 ============ */
.site-banner {
  background: url("../img/banner-bg.svg") center / cover no-repeat, linear-gradient(135deg, #b0141b, #8f0d12);
  color: #fff;
}

.site-banner .container {
  display: flex;
  align-items: center;
  height: 128px;
  gap: 20px;
}

.site-banner .logo {
  width: 84px;
  height: 84px;
  flex: none;
}

.site-banner .logo img {
  width: 100%;
  height: 100%;
}

.site-title-box {
  min-width: 0;
}

.site-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 3px;
  line-height: 1.3;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-subtitle {
  margin-top: 4px;
  font-size: 14px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.85);
}

.banner-actions {
  margin-left: auto;
  text-align: right;
  font-size: 13px;
}

.banner-actions a {
  display: inline-block;
  margin-left: 10px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 18px;
  color: #fff;
  transition: all 0.2s;
}

.banner-actions a:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
}

/* ============ 主导航 ============ */
.main-nav {
  background: var(--red);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
  position: relative;
  z-index: 20;
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  display: block;
  padding: 0 24px;
  height: 48px;
  line-height: 48px;
  color: #fff;
  font-size: 16px;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--red-dark);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 3px;
  background: var(--gold);
}

/* ============ 首页轮播 + 公告 ============ */
.hero-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
  margin: 18px 0 8px;
}

.carousel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #222;
  box-shadow: var(--shadow);
  min-height: 300px;
}

.carousel-slides {
  position: relative;
  height: 400px;
}

.carousel .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  cursor: pointer;
}

.carousel .slide.active {
  opacity: 1;
  z-index: 1;
}

.carousel .slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #333;
  transform: scale(1.02);
  transition: transform 5s linear;
}

.carousel .slide.active .slide-bg {
  transform: scale(1);
}

.carousel .slide-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 42px 24px 18px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0));
  color: #fff;
  z-index: 2;
}

.carousel .slide-caption h3 {
  font-size: 20px;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.carousel .slide-caption p {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.carousel .slide-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 1px 10px;
  border-radius: 2px;
  background: var(--gold);
  color: var(--red-deeper);
  font-size: 12px;
}

.carousel .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 5;
  user-select: none;
  transition: background 0.2s;
  border: none;
}

.carousel .arrow:hover {
  background: rgba(0, 0, 0, 0.65);
}

.carousel .arrow.prev {
  left: 0;
  border-radius: 0 4px 4px 0;
}

.carousel .arrow.next {
  right: 0;
  border-radius: 4px 0 0 4px;
}

.carousel .dots {
  position: absolute;
  right: 16px;
  bottom: 14px;
  z-index: 6;
  display: flex;
  gap: 6px;
}

.carousel .dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.carousel .dots button.active {
  background: var(--gold);
  transform: scale(1.2);
}

/* 通知公告面板 */
.notice-panel {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 400px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(90deg, var(--red), var(--red-dark));
  color: #fff;
  flex: none;
}

.panel-head .panel-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
}

.panel-head .panel-title .icon {
  margin-right: 6px;
}

.panel-head a.more {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
}

.panel-head a.more:hover {
  color: var(--gold);
}

.notice-list {
  flex: 1;
  padding: 6px 0;
}

.notice-list li {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px dashed #ececec;
  font-size: 13.5px;
  gap: 8px;
}

.notice-list li a {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.notice-list li a:hover {
  color: var(--red);
}

.notice-list .dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.notice-list .date {
  flex: none;
  color: var(--text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* 快捷通道 */
.quick-links {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  flex: none;
}

.quick-links h4 {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.quick-links .links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-links .links a {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 12px;
  color: var(--text-light);
  transition: all 0.2s;
}

.quick-links .links a:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ============ 首页栏目区块 ============ */
.home-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0;
}

.column-block {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.column-head {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 2px solid var(--red);
  background: linear-gradient(180deg, #fdf4f4, #fff);
}

.column-head .col-icon {
  width: 34px;
  height: 34px;
  margin-right: 10px;
  border-radius: 4px;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex: none;
}

.column-head .col-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--red-dark);
  letter-spacing: 1px;
}

.column-head .col-desc {
  margin-left: 12px;
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.column-head .more {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-light);
}

.column-head .more:hover {
  color: var(--red);
}

.column-list li {
  display: flex;
  align-items: center;
  padding: 11px 18px;
  border-bottom: 1px dashed #f0f0f0;
  font-size: 14px;
  gap: 10px;
}

.column-list li:last-child {
  border-bottom: none;
}

.column-list li a {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: color 0.15s;
}

.column-list li a:hover {
  color: var(--red);
}

.column-list .flag {
  flex: none;
  padding: 0 6px;
  font-size: 11px;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 2px;
  line-height: 16px;
}

.column-list .date {
  flex: none;
  color: var(--text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* ============ 底部双栏 ============ */
.home-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.hot-card,
.links-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-title {
  display: flex;
  align-items: center;
  padding: 13px 18px;
  border-bottom: 2px solid var(--red);
  font-size: 16px;
  font-weight: 700;
  color: var(--red-dark);
}

.card-title::before {
  content: "";
  width: 4px;
  height: 16px;
  margin-right: 8px;
  background: var(--red);
  border-radius: 2px;
}

.hot-list li {
  display: flex;
  align-items: center;
  padding: 10px 18px;
  border-bottom: 1px dashed #f0f0f0;
  gap: 10px;
}

.hot-list .rank {
  flex: none;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  border-radius: 3px;
  background: #f0f0f0;
  color: var(--text-light);
  font-size: 12px;
  font-style: normal;
}

.hot-list .rank.top {
  background: var(--red);
  color: #fff;
}

.hot-list li a {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.hot-list li a:hover {
  color: var(--red);
}

.hot-list .views {
  flex: none;
  color: var(--text-muted);
  font-size: 12px;
}

.friend-links {
  padding: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.friend-links a {
  color: var(--text-light);
  font-size: 13px;
}

.friend-links a:hover {
  color: var(--red);
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--red-deeper);
  color: rgba(255, 255, 255, 0.82);
  margin-top: 8px;
}

.site-footer .footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 18px 16px 4px;
  font-size: 13px;
}

.site-footer .footer-links a:hover {
  color: var(--gold);
}

.site-footer .copyright {
  text-align: center;
  padding: 12px 16px 20px;
  font-size: 12px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.7);
}

/* ============ 面包屑 ============ */
.crumb {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 18px;
  margin: 18px 0 14px;
  font-size: 13px;
  color: var(--text-light);
}

.crumb a:hover {
  color: var(--red);
}

.crumb .cur {
  color: var(--red);
}

/* ============ 栏目页布局 ============ */
.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  align-items: start;
  margin-bottom: 28px;
}

.main-box,
.side-box {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.sort-tabs {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 2px solid var(--red);
  gap: 8px;
}

.sort-tabs .tab {
  padding: 5px 18px;
  border-radius: 16px;
  font-size: 13px;
  color: var(--text-light);
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
}

.sort-tabs .tab:hover {
  color: var(--red);
  border-color: var(--red);
}

.sort-tabs .tab.active {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

.post-list li {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px dashed #eee;
  gap: 14px;
}

.post-list li:hover {
  background: #fdfafa;
}

.post-list .thumb {
  flex: none;
  width: 150px;
  height: 92px;
  border-radius: 4px;
  overflow: hidden;
  background: #eee;
}

.post-list .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.post-list li:hover .thumb img {
  transform: scale(1.06);
}

.post-list .info {
  flex: 1;
  min-width: 0;
}

.post-list .info h3 {
  font-size: 15.5px;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: color 0.15s;
}

.post-list li:hover .info h3 {
  color: var(--red);
}

.post-list .info .summary {
  margin-top: 5px;
  font-size: 12.5px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-list .meta {
  flex: none;
  text-align: right;
  color: var(--text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.post-list .meta .views {
  margin-top: 4px;
}

.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 16px;
  flex-wrap: wrap;
}

.pager button,
.pager .page-num {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.pager button:hover:not(:disabled),
.pager .page-num:hover {
  border-color: var(--red);
  color: var(--red);
}

.pager button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pager .page-num.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.pager .ellipsis {
  color: var(--text-muted);
}

.pager .total-info {
  margin-left: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

/* 侧栏 */
.side-box + .side-box {
  margin-top: 16px;
}

.side-title {
  padding: 12px 16px;
  border-bottom: 2px solid var(--red);
  font-size: 15px;
  font-weight: 700;
  color: var(--red-dark);
  background: linear-gradient(180deg, #fdf4f4, #fff);
}

.side-cat a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 18px;
  border-bottom: 1px dashed #f0f0f0;
  font-size: 14px;
  transition: all 0.15s;
}

.side-cat a:hover,
.side-cat a.active {
  color: var(--red);
  background: #fdf6f6;
  padding-left: 22px;
}

.side-cat .count {
  font-size: 12px;
  color: var(--text-muted);
}

.side-hot li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px dashed #f0f0f0;
}

.side-hot li a {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 13.5px;
}

.side-hot li a:hover {
  color: var(--red);
}

/* ============ 文章详情页 ============ */
.article-wrap {
  max-width: 900px;
  margin: 0 auto 30px;
}

.article {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px 46px;
}

.article-title {
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  line-height: 1.45;
  color: #222;
}

.article-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 16px 0 4px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.article-meta a:hover {
  color: var(--red);
}

.article-content {
  padding: 22px 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: #333;
  word-break: break-word;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  margin: 22px 0 12px;
  color: var(--red-dark);
  line-height: 1.4;
}

.article-content h1 {
  font-size: 22px;
  border-bottom: 2px solid var(--red);
  padding-bottom: 8px;
}

.article-content h2 {
  font-size: 19px;
}

.article-content h3 {
  font-size: 17px;
}

.article-content p {
  margin: 12px 0;
}

.article-content a {
  color: var(--blue);
}

.article-content a:hover {
  text-decoration: underline;
}

.article-content ul,
.article-content ol {
  margin: 12px 0;
  padding-left: 26px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin: 6px 0;
}

.article-content blockquote {
  margin: 14px 0;
  padding: 10px 16px;
  border-left: 4px solid var(--red);
  background: #fdf6f6;
  color: var(--text-light);
}

.article-content code {
  padding: 2px 6px;
  background: #f3f4f6;
  border-radius: 3px;
  font-family: Consolas, Menlo, monospace;
  font-size: 0.92em;
}

.article-content pre {
  margin: 14px 0;
  padding: 14px 16px;
  background: #282c34;
  color: #e6e6e6;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 14px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 8px 12px;
}

.article-content th {
  background: #faf4f4;
  color: var(--red-dark);
}

.article-content img {
  margin: 12px auto;
  border-radius: 4px;
}

.article-content video,
.article-content audio {
  display: block;
  max-width: 100%;
  margin: 12px 0;
}

.article-content video {
  border-radius: 4px;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  color: var(--text-light);
}

.article-tags a {
  padding: 3px 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text-light);
}

.article-tags a:hover {
  border-color: var(--red);
  color: var(--red);
}

.article-back {
  text-align: center;
  margin-top: 18px;
}

.article-back a {
  display: inline-block;
  padding: 8px 34px;
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: 4px;
  transition: all 0.2s;
}

.article-back a:hover {
  background: var(--red);
  color: #fff;
}

/* ============ 加载/空/错误状态 ============ */
.state {
  padding: 42px 18px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.state .state-icon {
  font-size: 34px;
  margin-bottom: 8px;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(200, 30, 34, 0.25);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: -4px;
  margin-right: 8px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-msg {
  color: var(--red);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-wrap {
    grid-template-columns: 1fr;
  }

  .notice-panel {
    min-height: auto;
  }

  .carousel-slides {
    height: 340px;
  }
}

@media (max-width: 768px) {
  .site-banner .container {
    height: auto;
    padding: 18px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .site-title {
    font-size: 24px;
    letter-spacing: 1px;
  }

  .banner-actions {
    margin-left: 0;
    text-align: left;
  }

  .banner-actions a:first-child {
    margin-left: 0;
  }

  .main-nav {
    overflow-x: auto;
  }

  .main-nav ul {
    flex-wrap: nowrap;
    min-width: max-content;
  }

  .main-nav a {
    padding: 0 16px;
    height: 44px;
    line-height: 44px;
    font-size: 15px;
  }

  .home-sections,
  .home-bottom,
  .layout {
    grid-template-columns: 1fr;
  }

  .carousel-slides {
    height: 260px;
  }

  .carousel .slide-caption h3 {
    font-size: 16px;
  }

  .article {
    padding: 22px 18px;
  }

  .article-title {
    font-size: 21px;
  }

  .post-list .thumb {
    width: 110px;
    height: 74px;
  }
}